Gambatou!
sayoonara
konnichiwa.
konnichiwa
Totemo ii.
Minasan, konnichiwa.
I dont know Japanese so i had to use the English to Japanese translator to answer this question. The phrase "Did you have a good day" translated from English to Japanese is "hi WA genki deshita ka".
いい子 Ii ko
Literally, "I think your Japanese study is good."
The phrase "buen día" translates to "good day" in English.
good night
Ohayou Gozaimasu
buenas noches